Muskegon County (Muskegon)
September
Weather in Muskegon County, Michigan for September 2026
Your guide to Muskegon County weather in September - trends and predictions
So far, September 2026 in Muskegon County shows a warmer trend than usual by 2.1 °F.
The forecast for the next days in Muskegon County predicts temperatures to be around 18 °F, close to the historical average.
In general, the average temperature in Muskegon County at the beginning of September is 23.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °F by the end of September.
Muskegon County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 208.6 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
21°/15°
Temperatures
19 km/h
Avg max wind
79 %
Avg humidity
Muskegon County Weather September
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Temperatures trend during September in Muskegon County
See the weather trend as well as the moving average line
September weather in Muskegon County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Mist | 27° /17° | 0 mm | 7 | |
| Sept. 2 |  Partly cloudy | 25° /18° | 0.1 mm | 5 | |
| Sept. 3 |  Moderate or heavy rain shower | 25° /16° | 24.2 mm | 2 | |
| Sept. 4 |  Overcast | 23° /15° | 323.3 mm | 3 | |
| Sept. 5 | Overcast | 23° /17° | 0 mm | 4 | |
| Sept. 6 | Overcast | 21° /14° | 0 mm | 4 | |
| Sept. 7 |  Light rain shower | 23° /13° | 4.3 mm | 6 | |
| Sept. 8 |  Cloudy | 23° /13° | 0 mm | 4 | |
| Sept. 9 | Overcast | 23° /17° | 7.1 mm | 3 | |
| Sept. 10 | Overcast | 23° /15° | 0 mm | 4 | |
| Sept. 11 | Overcast | 24° /13° | 0 mm | 6 | |
| Sept. 12 | Fog | 23° /13° | 0 mm | 4 | |
| Sept. 13 | Moderate or heavy rain shower | 21° /16° | 33.6 mm | 5 | |
| Sept. 14 |  Sunny | 25° /13° | 0 mm | 6 | |
| Sept. 15 | Cloudy | 24° /15° | 10.9 mm | 3 | |
| Sept. 16 | Mist | 26° /15° | 0 mm | 3 | |
| Sept. 17 | Cloudy | 23° /15° | 0.3 mm | 4 | |
| Sept. 18 | Fog | 22° /13° | 0.3 mm | 2 | |
| Sept. 19 |  Light drizzle | 15° /10° | 19.1 mm | 1.4 | |
| Sept. 20 | Patchy rain possible | 17° /14° | 3.2 mm | 0.8 | |
| Sept. 21 | Overcast | 17° /12° | 0 mm | 1.3 | |
| Sept. 22 | Overcast | 16° /11° | 0 mm | 4 | |
| Sept. 23 | Overcast | 18° /11° | 0 mm | 4 | |
| Sept. 24 | Overcast | 18° /10° | 0 mm | 4 | |
| Sept. 25 | Sunny | 20° /10° | 0 mm | 6 | |
| Sept. 26 | Sunny | 20° /10° | 0 mm | 5 | |
| Sept. 27 | Overcast | 20° /12° | 0 mm | 6 | |
| Sept. 28 | Overcast | 19° /14° | 0 mm | 4 | |
| Sept. 29 | Light rain shower | 16° /12° | 6.1 mm | 3 | |
| Sept. 30 | Patchy rain possible | 15° /10° | 3.2 mm | 3 | |
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Important Notice
Our weather forecast for Muskegon County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Muskegon County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Muskegon County in September - FAQ
What are the expected maximum and minimum temperatures in Muskegon County during September?
During September, expect a variety of temperatures with highs around 21° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Muskegon County during September?
Significant rainfall exceeding 208.6 mm is expected in Muskegon County during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Muskegon County during September?
The average wind speed in Muskegon County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Muskegon County
Explore the daily rainfall trends and prepare for Muskegon Countys September weather 💧
Typically, Muskegon County has 6 rainy days in September with a total of 208.6 mm of rainfall.
UV exposure in Muskegon County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Muskegon County?Get accurate weather forecasts for Muskegon County, located at latitude 43.234 and longitude -86.248. Stay updated with localized weather information tailored for Muskegon County.
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